First published 9/19/2026, 3:04:15 PM · Last updated 9/19/2026, 3:04:15 PM

Flood Watch issued by NWS Chicago (Sep 19 9:38AM CDT–Sep 22 7:00AM CDT)

National Weather Service Chicago issued a Flood Watch on Sept 19 at 9:38 AM CDT effective through Sept 22 at 7:00 AM CDT. The watch indicates heightened potential for flooding in the Chicago, Illinois area during that period.

Categories: severe-weather-and-natural-disasters, travel-and-transportation

Generated scores

Scores are based on the cited reporting and use a 1–10 scale. Read the methodology.

Confidence: 9/10How certain the assessment is based on the clarity and evidence in the cited reporting.
Geographic reach: 5/10How widely the event reaches, from a local area (1) to worldwide impact (10).
Global importance: 6/10The event's broader significance, from limited importance (1) to major global importance (10).
Impact magnitude: 4/10The scale or severity of the real-world impact, from minor (1) to extreme (10).
Positivity: 2/10How harmful or beneficial the event is, from strongly harmful (1) to strongly positive (10).
Urgency: 6/10How time-sensitive the event is, from low urgency (1) to immediate attention needed (10).

Why it matters

A Flood Watch warns that conditions are favorable for flooding, which can cause hazardous travel, localized property and infrastructure damage, and possible disruptions to communities. Residents and travelers in the Chicago area should monitor forecasts and plan for possible impacts.

Location

Sources

Flood Watch issued September 19 at 9:38AM CDT until September 22 at 7:00AM CDT by NWS Chicago IL

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